In a clinical setting, InstitutionX presents a masterclass in prostate stimulation using a fuck machine. The submissive male, secured in a spread-eagle position, gasps as the machine's silicone dildo probes his ass, zeroing in on his prostate. The machine's pace quickens, and the submissive's moans grow louder, his body tensing as he's brought to the brink of a prostate-driven orgasm, only to be denied, again and again, in a tantalizing dance of denial and pleasure.